Why Choose Our Warranty?

A warranty is only as valuable as the paper it’s printed on. With over half a century of combined experience we carry the most valuable warranty in the business; no one has stood the test of time longer than GJ MacRae.

We Are The Originals

Home of the original 15 year transferable warranty. Beware of imitators and empty warranty promises.

A True 40 Year History

A true four-decade strong legacy, no one has been waterproofing and underpinning in the GTA longer.

Family Owned

A truly family owned and operated waterproofing and underpinning company in the GTA.

10,000+ Warranties

Surpassing over 10,000+ certified warranties issued no other company has our level of local expertise.

Our Only Specialty

This is all we do! We started in 1975 and continue to lead the industry with quality work and guaranteed results.

Knowledge and Longevity

Four decades and 10,000+ warranties later, trust our specialized knowledge and let our longevity work for you!

Industry Pioneers

We were the first to develop and introduce the residential overflow vibro-pak underpinning process.

Exceptional Service

Award winning customer service, quick response times and free estimates make us the perfect fit for your project.

Here For The Long Run

After decades in the business we are truly in it for the long run! We don’t do quick fixes, we provide lasting results.

We Love What We Do!

Yes, we truly love what we do! Heritage restoration, waterproofing, underpinning and structural repairs are our forté!

SINCE 1975

Our Awards

A warranty is only as meaningful as the company that issues it. We don’t simply issue a document, we issue a true guarantee.

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